$ git clone -n https://gitee.com/wency_cn/libisofs.git /var/lib/mock/dist-an23-build-490925-74530/root/chroot_tmpdir/scmroot/libisofs
Cloning into '/var/lib/mock/dist-an23-build-490925-74530/root/chroot_tmpdir/scmroot/libisofs'...
$ git fetch origin 50315738a666e5d22f0cca7813ed8fef96f2e411:KOJI_FETCH_HEAD
From https://gitee.com/wency_cn/libisofs
 * [new ref]         50315738a666e5d22f0cca7813ed8fef96f2e411 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5031573 Update code from upstream